Video & Articles: Appliance & Equipment RepairCub Cadet Snowblower External Gasket Kit #951-10661B

Cub Cadet Snowblower External Gasket Kit #951-10661B

12:51
This video provides step-by-step repair instructions for replacing the external gasket on a Cub Cadet snowblower. The most common reasons for replacing the external gasket are when the engine won’t start or runs poorly or when replacing the carburetor.

All of the information for this snowblower external gasket kit replacement video is applicable to the following brands:
MTD, Yard Machines, Craftsman, Cub Cadet, Yard-Man, Troy-Bilt, Huskee

Tools used: 10 mm socket, 3/8 inch socket, 1/2 inch socket, 3/4 inch socket, Phillips-head screwdriver

Step By Step Instructions

1
Before you install the external gasket kit components in your snowblower first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with no fuel in the tank.
4
Carefully tip the snowblower forward so it rests on the auger housing.
5
Use a 10mm socket to help unthread the oil drain plug.
6
Remove the old gasket from the plug.
7
Install the new oil drain plug gasket by sliding it onto the plug. then thread the plug into the drain tube and tighten.
8
Return the snowblower to its upright position.
9
To replace the valve cover gasket, release the retaining clamp and disconnect the tube from the valve cover.
10
Use a 10mm socket to help remove the mounting bolts securing the valve cover.
11
Pull the cover off – be prepared for some oil to spill.
12
Remove the old gasket.
13
Before you install the new valve cover gasket clean off any residue from the cylinder head.
14
Now insert the new gasket into the valve cover.
15
Realign the cover on the cylinder head then replace the mounting bolts and tighten in an alternating pattern to secure.
16
Reconnect the breather tube to the valve cover and secure it with the retaining clamp.
17
To replace the muffler gasket, first remove the retaining clip securing the chute control rod and pull the rod free.
18
Now remove the retaining clip securing the support bracket pin and pull out the pin.
19
Unthread the wing nut from the center gear box mounting bolt.
20
Lift the gear box off of the support bracket and set the gear box and chute assembly aside.
21
Next, use a 3/8th inch socket to remove the bolts securing the belt cover.
22
Pull the cover off.
23
Now release the drive belt idler pulley tension spring.
24
Use a half-inch socket to remove the upper two mounting bolts securing the gear box support bracket.
25
Use a three-quarter inch socket to remove the lower bolt.
26
You can now remove the support bracket.
27
Use a 10mm socket or wrench to remove all of the mounting bolts securing the muffler cover.
28
Lift off the cover.
29
You can now use a half-inch socket to help unthread the mounting nuts securing the muffler itself.
30
Remove the muffler and pull off the old gasket.
31
Install the new muffler gasket by sliding it onto the mounting posts.
32
Now realign the muffler on the cylinder head and rethread the mounting nuts to secure.
33
To replace the remaining gaskets and the carburetor spacer, you will need to remove the control panel.
34
To do this, first remove the choke knob and the throttle knob.
35
Now use a phillips-head screwdriver to unthread the lower starter switch box mounting screw.
36
Detach the primer line and the ignition switch wires.
37
Use the 10mm socket to remove the nuts threaded on the carburetor mounting posts.
38
Pull the control panel free.
39
Release the retaining clamp securing the fuel line to the tank and pull the line off.
40
Slide off the front choke plate gasket.
41
Remove the choke plate itself and detach it from the choke linkage.
42
Slide off the rear gasket.
43
Detach the throttle spring and linkage from the carburetor and slide the carburetor off of the mounting posts.
44
Remove the carburetor spacer and the old spacer gasket.
45
You’re now ready to install the remaining gaskets and spacer.
46
Slide the new spacer gasket onto the mounting posts.
47
Next, position the new spacer and align the spark plug wire in the spacer tabs.
48
Align the new intake gasket on the carburetor as you slide the carburetor onto the mounting posts.
49
Reconnect the throttle linkage and spring.
50
Next, slide on the rear choke plate gasket.
51
Replace the choke plate and reattach the choke linkage.
52
Slide on the front gasket.
53
Reconnect the fuel line to the tank and secure it with the retaining clamp.
54
Reposition the control panel making sure the choke plate stem protrudes through the hole in the panel and the breather tube connects to the air intake box.
55
Thread the nuts on the mounting posts and tighten.
56
With the control panel in place, rethread the lower starter switch box mounting screw.
57
Reattach the primer line and the ignition switch wires.
58
Replace both the choke and the throttle knobs.
59
Realign the muffler cover.
60
Thread and tighten the bolts to secure.
61
Now reposition the chute gear box support bracket and replace the bolts.
62
Reset the tension spring on the lower bolt.
63
Replace the belt cover.
64
Rethread the bolts and tighten.
65
Position the chute assembly on the chute adapter. as you align the gear box on the support bracket.
66
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
67
Reinsert the support bracket pin and secure it with the retaining clip.
68
Confirm that the holes in the gear box coupler are facing straight up with the chute facing forward and that the chute control lever is at the “one o’clock” position.
69
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
70
Secure the rod with the retaining clip.
71
Confirm that the chute has a full range of movement reattach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the external gasket on a Cub Cadet snowblower. The most common reasons for replacing the external gasket are when the engine won’t start or runs poorly or when replacing the carburetor.

All of the information for this snowblower external gasket kit replacement video is applicable to the following brands:
MTD, Yard Machines, Craftsman, Cub Cadet, Yard-Man, Troy-Bilt, Huskee

Tools used: 10 mm socket, 3/8 inch socket, 1/2 inch socket, 3/4 inch socket, Phillips-head screwdriver
Step-By-Step Instructions
1
Before you install the external gasket kit components in your snowblower first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with no fuel in the tank.
4
Carefully tip the snowblower forward so it rests on the auger housing.
5
Use a 10mm socket to help unthread the oil drain plug.
6
Remove the old gasket from the plug.
7
Install the new oil drain plug gasket by sliding it onto the plug. then thread the plug into the drain tube and tighten.
8
Return the snowblower to its upright position.
9
To replace the valve cover gasket, release the retaining clamp and disconnect the tube from the valve cover.
10
Use a 10mm socket to help remove the mounting bolts securing the valve cover.
11
Pull the cover off – be prepared for some oil to spill.
12
Remove the old gasket.
13
Before you install the new valve cover gasket clean off any residue from the cylinder head.
14
Now insert the new gasket into the valve cover.
15
Realign the cover on the cylinder head then replace the mounting bolts and tighten in an alternating pattern to secure.
16
Reconnect the breather tube to the valve cover and secure it with the retaining clamp.
17
To replace the muffler gasket, first remove the retaining clip securing the chute control rod and pull the rod free.
18
Now remove the retaining clip securing the support bracket pin and pull out the pin.
19
Unthread the wing nut from the center gear box mounting bolt.
20
Lift the gear box off of the support bracket and set the gear box and chute assembly aside.
21
Next, use a 3/8th inch socket to remove the bolts securing the belt cover.
22
Pull the cover off.
23
Now release the drive belt idler pulley tension spring.
24
Use a half-inch socket to remove the upper two mounting bolts securing the gear box support bracket.
25
Use a three-quarter inch socket to remove the lower bolt.
26
You can now remove the support bracket.
27
Use a 10mm socket or wrench to remove all of the mounting bolts securing the muffler cover.
28
Lift off the cover.
29
You can now use a half-inch socket to help unthread the mounting nuts securing the muffler itself.
30
Remove the muffler and pull off the old gasket.
31
Install the new muffler gasket by sliding it onto the mounting posts.
32
Now realign the muffler on the cylinder head and rethread the mounting nuts to secure.
33
To replace the remaining gaskets and the carburetor spacer, you will need to remove the control panel.
34
To do this, first remove the choke knob and the throttle knob.
35
Now use a phillips-head screwdriver to unthread the lower starter switch box mounting screw.
36
Detach the primer line and the ignition switch wires.
37
Use the 10mm socket to remove the nuts threaded on the carburetor mounting posts.
38
Pull the control panel free.
39
Release the retaining clamp securing the fuel line to the tank and pull the line off.
40
Slide off the front choke plate gasket.
41
Remove the choke plate itself and detach it from the choke linkage.
42
Slide off the rear gasket.
43
Detach the throttle spring and linkage from the carburetor and slide the carburetor off of the mounting posts.
44
Remove the carburetor spacer and the old spacer gasket.
45
You’re now ready to install the remaining gaskets and spacer.
46
Slide the new spacer gasket onto the mounting posts.
47
Next, position the new spacer and align the spark plug wire in the spacer tabs.
48
Align the new intake gasket on the carburetor as you slide the carburetor onto the mounting posts.
49
Reconnect the throttle linkage and spring.
50
Next, slide on the rear choke plate gasket.
51
Replace the choke plate and reattach the choke linkage.
52
Slide on the front gasket.
53
Reconnect the fuel line to the tank and secure it with the retaining clamp.
54
Reposition the control panel making sure the choke plate stem protrudes through the hole in the panel and the breather tube connects to the air intake box.
55
Thread the nuts on the mounting posts and tighten.
56
With the control panel in place, rethread the lower starter switch box mounting screw.
57
Reattach the primer line and the ignition switch wires.
58
Replace both the choke and the throttle knobs.
59
Realign the muffler cover.
60
Thread and tighten the bolts to secure.
61
Now reposition the chute gear box support bracket and replace the bolts.
62
Reset the tension spring on the lower bolt.
63
Replace the belt cover.
64
Rethread the bolts and tighten.
65
Position the chute assembly on the chute adapter. as you align the gear box on the support bracket.
66
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
67
Reinsert the support bracket pin and secure it with the retaining clip.
68
Confirm that the holes in the gear box coupler are facing straight up with the chute facing forward and that the chute control lever is at the “one o’clock” position.
69
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
70
Secure the rod with the retaining clip.
71
Confirm that the chute has a full range of movement reattach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.

Applicable Product Model

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